Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
17/08/2026, 08:59
General
- Target 官方版/SilentSetup.cmd
- Size 471B
- Sample260817-kxpzcsgn2x
- SHA256 2a2792641895124acafc8e70c231e99eca007b928156101fb4429c2eae9bb2f0
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- ConfuserEx .NET packer 1 IoCs
Detects ConfuserEx .NET packer.
- Drops file in Program Files directory 22 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 3 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Kills process with taskkill 2 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\官方版\SilentSetup.cmd"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\官方版\WinaeroTweaker-1.65.0.0-setup.exeWinaeroTweaker-1.65.0.0-setup.exe /SP- /VERYSILENT2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-973DR.tmp\WinaeroTweaker-1.65.0.0-setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-973DR.tmp\WinaeroTweaker-1.65.0.0-setup.tmp" /SL5="$502B6,5221241,832000,C:\Users\Admin\AppData\Local\Temp\官方版\WinaeroTweaker-1.65.0.0-setup.exe" /SP- /VERYSILENT3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im winaerotweaker.exe /f4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im winaerotweaker.exe /f5⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im winaerotweakerhelper.exe /f4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im winaerotweakerhelper.exe /f5⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
WinaeroTweaker.exe
WinaeroTweaker-1.65.0.0-setup.tmp
_iscrypt.dll
memory/1788-0-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/1788-55-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/4592-5-0x00000000025E0000-0x00000000025E1000-memory.dmp
memory/4592-54-0x0000000000400000-0x0000000000713000-memory.dmp